""ET TROJAN ELF/DarkNexus User-Agent""

SID: 2032895

Revision: 2

Class Type: trojan-activity

Metadata: affected_product IoT, attack_target Client_Endpoint, created_at 2021_05_03, deployment Perimeter, signature_severity Major, updated_at 2021_05_03

Reference:

  • md5

  • 81150784e5cef98bf6e56638da5fe5f3

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|checker/v"

  • Value: "/p"

  • Value: !"Referer|3a 20|"

Within: 30

PCRE:

Special Options:

  • fast_pattern

  • http_header

  • http_header

  • http_header

source